TSTP Solution File: SET640+3 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET640+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n022.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Apr 30 15:09:00 EDT 2024

% Result   : Theorem 0.22s 0.45s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   31
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   77 (   7 unt;   0 def)
%            Number of atoms       :  434 (   0 equ)
%            Maximal formula atoms :   12 (   5 avg)
%            Number of connectives :  621 ( 264   ~; 227   |;  78   &)
%                                         (  11 <=>;  41  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   7 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   5 con; 0-2 aty)
%            Number of variables   :  140 ( 110   !;  30   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f904,plain,
    $false,
    inference(resolution,[],[f903,f100]) ).

fof(f100,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[],[f19]) ).

fof(f19,axiom,
    ! [X0] : ilf_type(X0,set_type),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p19) ).

fof(f903,plain,
    ~ ilf_type(sK4,set_type),
    inference(resolution,[],[f902,f100]) ).

fof(f902,plain,
    ( ~ ilf_type(sK5,set_type)
    | ~ ilf_type(sK4,set_type) ),
    inference(resolution,[],[f901,f100]) ).

fof(f901,plain,
    ( ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK5,set_type) ),
    inference(resolution,[],[f900,f100]) ).

fof(f900,plain,
    ( ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK5,set_type) ),
    inference(resolution,[],[f899,f97]) ).

fof(f97,plain,
    ilf_type(sK7,relation_type(sK5,sK6)),
    inference(cnf_transformation,[],[f60]) ).

fof(f60,plain,
    ( ~ subset(sK4,cross_product(sK5,sK6))
    & subset(sK4,sK7)
    & ilf_type(sK7,relation_type(sK5,sK6))
    & ilf_type(sK6,set_type)
    & ilf_type(sK5,set_type)
    & ilf_type(sK4,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4,sK5,sK6,sK7])],[f24,f59,f58,f57,f56]) ).

fof(f56,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ? [X3] :
                    ( ~ subset(X0,cross_product(X1,X2))
                    & subset(X0,X3)
                    & ilf_type(X3,relation_type(X1,X2)) )
                & ilf_type(X2,set_type) )
            & ilf_type(X1,set_type) )
        & ilf_type(X0,set_type) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ~ subset(sK4,cross_product(X1,X2))
                  & subset(sK4,X3)
                  & ilf_type(X3,relation_type(X1,X2)) )
              & ilf_type(X2,set_type) )
          & ilf_type(X1,set_type) )
      & ilf_type(sK4,set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f57,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ~ subset(sK4,cross_product(X1,X2))
                & subset(sK4,X3)
                & ilf_type(X3,relation_type(X1,X2)) )
            & ilf_type(X2,set_type) )
        & ilf_type(X1,set_type) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ~ subset(sK4,cross_product(sK5,X2))
              & subset(sK4,X3)
              & ilf_type(X3,relation_type(sK5,X2)) )
          & ilf_type(X2,set_type) )
      & ilf_type(sK5,set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f58,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ~ subset(sK4,cross_product(sK5,X2))
            & subset(sK4,X3)
            & ilf_type(X3,relation_type(sK5,X2)) )
        & ilf_type(X2,set_type) )
   => ( ? [X3] :
          ( ~ subset(sK4,cross_product(sK5,sK6))
          & subset(sK4,X3)
          & ilf_type(X3,relation_type(sK5,sK6)) )
      & ilf_type(sK6,set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f59,plain,
    ( ? [X3] :
        ( ~ subset(sK4,cross_product(sK5,sK6))
        & subset(sK4,X3)
        & ilf_type(X3,relation_type(sK5,sK6)) )
   => ( ~ subset(sK4,cross_product(sK5,sK6))
      & subset(sK4,sK7)
      & ilf_type(sK7,relation_type(sK5,sK6)) ) ),
    introduced(choice_axiom,[]) ).

fof(f24,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ~ subset(X0,cross_product(X1,X2))
                  & subset(X0,X3)
                  & ilf_type(X3,relation_type(X1,X2)) )
              & ilf_type(X2,set_type) )
          & ilf_type(X1,set_type) )
      & ilf_type(X0,set_type) ),
    inference(flattening,[],[f23]) ).

fof(f23,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ~ subset(X0,cross_product(X1,X2))
                  & subset(X0,X3)
                  & ilf_type(X3,relation_type(X1,X2)) )
              & ilf_type(X2,set_type) )
          & ilf_type(X1,set_type) )
      & ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f21]) ).

fof(f21,negated_conjecture,
    ~ ! [X0] :
        ( ilf_type(X0,set_type)
       => ! [X1] :
            ( ilf_type(X1,set_type)
           => ! [X2] :
                ( ilf_type(X2,set_type)
               => ! [X3] :
                    ( ilf_type(X3,relation_type(X1,X2))
                   => ( subset(X0,X3)
                     => subset(X0,cross_product(X1,X2)) ) ) ) ) ),
    inference(negated_conjecture,[],[f20]) ).

fof(f20,conjecture,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ! [X2] :
              ( ilf_type(X2,set_type)
             => ! [X3] :
                  ( ilf_type(X3,relation_type(X1,X2))
                 => ( subset(X0,X3)
                   => subset(X0,cross_product(X1,X2)) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_relset_1_2) ).

fof(f899,plain,
    ( ~ ilf_type(sK7,relation_type(sK5,sK6))
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK5,set_type) ),
    inference(resolution,[],[f896,f100]) ).

fof(f896,plain,
    ( ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK7,relation_type(sK5,sK6))
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK5,set_type) ),
    inference(resolution,[],[f895,f119]) ).

fof(f119,plain,
    ! [X2,X0,X1] :
      ( ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X2,relation_type(X0,X1))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f32]) ).

fof(f32,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ! [X2] :
                ( ilf_type(X2,subset_type(cross_product(X0,X1)))
                | ~ ilf_type(X2,relation_type(X0,X1)) )
            & ! [X3] :
                ( ilf_type(X3,relation_type(X0,X1))
                | ~ ilf_type(X3,subset_type(cross_product(X0,X1))) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ! [X2] :
                ( ilf_type(X2,relation_type(X0,X1))
               => ilf_type(X2,subset_type(cross_product(X0,X1))) )
            & ! [X3] :
                ( ilf_type(X3,subset_type(cross_product(X0,X1)))
               => ilf_type(X3,relation_type(X0,X1)) ) ) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ! [X3] :
                ( ilf_type(X3,relation_type(X0,X1))
               => ilf_type(X3,subset_type(cross_product(X0,X1))) )
            & ! [X2] :
                ( ilf_type(X2,subset_type(cross_product(X0,X1)))
               => ilf_type(X2,relation_type(X0,X1)) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p4) ).

fof(f895,plain,
    ( ~ ilf_type(sK7,subset_type(cross_product(sK5,sK6)))
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type) ),
    inference(resolution,[],[f879,f100]) ).

fof(f879,plain,
    ( ~ ilf_type(power_set(cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK7,subset_type(cross_product(sK5,sK6))) ),
    inference(duplicate_literal_removal,[],[f876]) ).

fof(f876,plain,
    ( ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(power_set(cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK7,subset_type(cross_product(sK5,sK6)))
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type) ),
    inference(resolution,[],[f875,f128]) ).

fof(f128,plain,
    ! [X0,X1] :
      ( ilf_type(X1,member_type(power_set(X0)))
      | ~ ilf_type(X1,subset_type(X0))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f80,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( ilf_type(X1,subset_type(X0))
              | ~ ilf_type(X1,member_type(power_set(X0))) )
            & ( ilf_type(X1,member_type(power_set(X0)))
              | ~ ilf_type(X1,subset_type(X0)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f37]) ).

fof(f37,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ilf_type(X1,subset_type(X0))
          <=> ilf_type(X1,member_type(power_set(X0))) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ilf_type(X1,subset_type(X0))
          <=> ilf_type(X1,member_type(power_set(X0))) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p8) ).

fof(f875,plain,
    ( ~ ilf_type(sK7,member_type(power_set(cross_product(sK5,sK6))))
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(power_set(cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(sK7,set_type) ),
    inference(resolution,[],[f874,f100]) ).

fof(f874,plain,
    ( ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,member_type(power_set(cross_product(sK5,sK6))))
    | ~ ilf_type(power_set(cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(sK7,set_type) ),
    inference(duplicate_literal_removal,[],[f871]) ).

fof(f871,plain,
    ( ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,member_type(power_set(cross_product(sK5,sK6))))
    | ~ ilf_type(power_set(cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type) ),
    inference(resolution,[],[f698,f102]) ).

fof(f102,plain,
    ! [X0] :
      ( ~ empty(power_set(X0))
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    ! [X0] :
      ( ( ilf_type(power_set(X0),set_type)
        & ~ empty(power_set(X0)) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f12,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ( ilf_type(power_set(X0),set_type)
        & ~ empty(power_set(X0)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p12) ).

fof(f698,plain,
    ( empty(power_set(cross_product(sK5,sK6)))
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,member_type(power_set(cross_product(sK5,sK6))))
    | ~ ilf_type(power_set(cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(sK7,set_type) ),
    inference(duplicate_literal_removal,[],[f697]) ).

fof(f697,plain,
    ( ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,member_type(power_set(cross_product(sK5,sK6))))
    | ~ ilf_type(power_set(cross_product(sK5,sK6)),set_type)
    | empty(power_set(cross_product(sK5,sK6)))
    | ~ ilf_type(sK7,set_type) ),
    inference(resolution,[],[f690,f142]) ).

fof(f142,plain,
    ! [X0,X1] :
      ( member(X0,X1)
      | ~ ilf_type(X0,member_type(X1))
      | ~ ilf_type(X1,set_type)
      | empty(X1)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f89]) ).

fof(f89,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( ilf_type(X0,member_type(X1))
              | ~ member(X0,X1) )
            & ( member(X0,X1)
              | ~ ilf_type(X0,member_type(X1)) ) )
          | ~ ilf_type(X1,set_type)
          | empty(X1) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f44]) ).

fof(f44,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) )
          | ~ ilf_type(X1,set_type)
          | empty(X1) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f43]) ).

fof(f43,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) )
          | ~ ilf_type(X1,set_type)
          | empty(X1) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f13]) ).

fof(f13,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ( ilf_type(X1,set_type)
            & ~ empty(X1) )
         => ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p13) ).

fof(f690,plain,
    ( ~ member(sK7,power_set(cross_product(sK5,sK6)))
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type) ),
    inference(resolution,[],[f688,f98]) ).

fof(f98,plain,
    subset(sK4,sK7),
    inference(cnf_transformation,[],[f60]) ).

fof(f688,plain,
    ( ~ subset(sK4,sK7)
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ member(sK7,power_set(cross_product(sK5,sK6))) ),
    inference(duplicate_literal_removal,[],[f653]) ).

fof(f653,plain,
    ( ~ member(sK7,power_set(cross_product(sK5,sK6)))
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ subset(sK4,sK7)
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type) ),
    inference(resolution,[],[f651,f180]) ).

fof(f180,plain,
    ! [X0] :
      ( ~ subset(X0,cross_product(sK5,sK6))
      | ~ subset(sK4,X0)
      | ~ ilf_type(cross_product(sK5,sK6),set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(sK4,set_type) ),
    inference(resolution,[],[f130,f99]) ).

fof(f99,plain,
    ~ subset(sK4,cross_product(sK5,sK6)),
    inference(cnf_transformation,[],[f60]) ).

fof(f130,plain,
    ! [X2,X0,X1] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f39]) ).

fof(f39,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( subset(X0,X2)
              | ~ subset(X1,X2)
              | ~ subset(X0,X1)
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f38]) ).

fof(f38,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( subset(X0,X2)
              | ~ subset(X1,X2)
              | ~ subset(X0,X1)
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ! [X2] :
              ( ilf_type(X2,set_type)
             => ( ( subset(X1,X2)
                  & subset(X0,X1) )
               => subset(X0,X2) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p1) ).

fof(f651,plain,
    ( subset(sK7,cross_product(sK5,sK6))
    | ~ member(sK7,power_set(cross_product(sK5,sK6)))
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type) ),
    inference(duplicate_literal_removal,[],[f641]) ).

fof(f641,plain,
    ( ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
    | ~ member(sK7,power_set(cross_product(sK5,sK6)))
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | subset(sK7,cross_product(sK5,sK6))
    | ~ ilf_type(cross_product(sK5,sK6),set_type)
    | ~ ilf_type(sK7,set_type) ),
    inference(resolution,[],[f299,f122]) ).

fof(f122,plain,
    ! [X0,X1] :
      ( member(sK12(X0,X1),X0)
      | subset(X0,X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f75]) ).

fof(f75,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( subset(X0,X1)
              | ( ~ member(sK12(X0,X1),X1)
                & member(sK12(X0,X1),X0)
                & ilf_type(sK12(X0,X1),set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ subset(X0,X1) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK12])],[f73,f74]) ).

fof(f74,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0)
          & ilf_type(X2,set_type) )
     => ( ~ member(sK12(X0,X1),X1)
        & member(sK12(X0,X1),X0)
        & ilf_type(sK12(X0,X1),set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f73,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( subset(X0,X1)
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ subset(X0,X1) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(rectify,[],[f72]) ).

fof(f72,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( subset(X0,X1)
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X2] :
                  ( member(X2,X1)
                  | ~ member(X2,X0)
                  | ~ ilf_type(X2,set_type) )
              | ~ subset(X0,X1) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f34]) ).

fof(f34,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( subset(X0,X1)
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f33]) ).

fof(f33,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( subset(X0,X1)
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( subset(X0,X1)
          <=> ! [X2] :
                ( ilf_type(X2,set_type)
               => ( member(X2,X0)
                 => member(X2,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p6) ).

fof(f299,plain,
    ! [X0] :
      ( ~ member(sK12(sK7,cross_product(sK5,sK6)),X0)
      | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
      | ~ member(X0,power_set(cross_product(sK5,sK6)))
      | ~ ilf_type(cross_product(sK5,sK6),set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(sK7,set_type)
      | ~ ilf_type(sK4,set_type) ),
    inference(duplicate_literal_removal,[],[f292]) ).

fof(f292,plain,
    ! [X0] :
      ( ~ member(sK12(sK7,cross_product(sK5,sK6)),X0)
      | ~ ilf_type(sK12(sK7,cross_product(sK5,sK6)),set_type)
      | ~ member(X0,power_set(cross_product(sK5,sK6)))
      | ~ ilf_type(cross_product(sK5,sK6),set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(sK7,set_type)
      | ~ ilf_type(sK4,set_type)
      | ~ ilf_type(cross_product(sK5,sK6),set_type) ),
    inference(resolution,[],[f124,f189]) ).

fof(f189,plain,
    ( ~ member(sK12(sK7,cross_product(sK5,sK6)),cross_product(sK5,sK6))
    | ~ ilf_type(sK7,set_type)
    | ~ ilf_type(sK4,set_type)
    | ~ ilf_type(cross_product(sK5,sK6),set_type) ),
    inference(resolution,[],[f186,f98]) ).

fof(f186,plain,
    ! [X0] :
      ( ~ subset(sK4,X0)
      | ~ ilf_type(cross_product(sK5,sK6),set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(sK4,set_type)
      | ~ member(sK12(X0,cross_product(sK5,sK6)),cross_product(sK5,sK6)) ),
    inference(duplicate_literal_removal,[],[f185]) ).

fof(f185,plain,
    ! [X0] :
      ( ~ subset(sK4,X0)
      | ~ ilf_type(cross_product(sK5,sK6),set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(sK4,set_type)
      | ~ member(sK12(X0,cross_product(sK5,sK6)),cross_product(sK5,sK6))
      | ~ ilf_type(cross_product(sK5,sK6),set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(resolution,[],[f180,f123]) ).

fof(f123,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sK12(X0,X1),X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f75]) ).

fof(f124,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ ilf_type(X3,set_type)
      | ~ member(X0,power_set(X1))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f79,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ( ~ member(sK13(X0,X1),X1)
                & member(sK13(X0,X1),X0)
                & ilf_type(sK13(X0,X1),set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK13])],[f77,f78]) ).

fof(f78,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0)
          & ilf_type(X2,set_type) )
     => ( ~ member(sK13(X0,X1),X1)
        & member(sK13(X0,X1),X0)
        & ilf_type(sK13(X0,X1),set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f77,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(rectify,[],[f76]) ).

fof(f76,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X2] :
                  ( member(X2,X1)
                  | ~ member(X2,X0)
                  | ~ ilf_type(X2,set_type) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f35]) ).

fof(f35,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( ilf_type(X2,set_type)
               => ( member(X2,X0)
                 => member(X2,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p11) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.16  % Problem    : SET640+3 : TPTP v8.1.2. Released v2.2.0.
% 0.13/0.18  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.40  % Computer : n022.cluster.edu
% 0.15/0.40  % Model    : x86_64 x86_64
% 0.15/0.40  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.40  % Memory   : 8042.1875MB
% 0.15/0.40  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.40  % CPULimit   : 300
% 0.15/0.40  % WCLimit    : 300
% 0.15/0.40  % DateTime   : Tue Apr 30 01:07:15 EDT 2024
% 0.15/0.40  % CPUTime    : 
% 0.15/0.41  % (32767)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.42  % (307)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.15/0.42  % (304)WARNING: value z3 for option sas not known
% 0.15/0.42  % (303)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.15/0.42  % (305)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.15/0.42  % (304)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.15/0.42  % (302)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.15/0.42  % (306)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.15/0.42  % (308)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.22/0.43  TRYING [1]
% 0.22/0.43  TRYING [2]
% 0.22/0.44  TRYING [3]
% 0.22/0.44  TRYING [1]
% 0.22/0.44  TRYING [2]
% 0.22/0.45  % (307)First to succeed.
% 0.22/0.45  TRYING [4]
% 0.22/0.45  % (307)Refutation found. Thanks to Tanya!
% 0.22/0.45  % SZS status Theorem for theBenchmark
% 0.22/0.45  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.45  % (307)------------------------------
% 0.22/0.45  % (307)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.22/0.45  % (307)Termination reason: Refutation
% 0.22/0.45  
% 0.22/0.45  % (307)Memory used [KB]: 1520
% 0.22/0.45  % (307)Time elapsed: 0.036 s
% 0.22/0.45  % (307)Instructions burned: 129 (million)
% 0.22/0.45  % (307)------------------------------
% 0.22/0.45  % (307)------------------------------
% 0.22/0.45  % (32767)Success in time 0.045 s
%------------------------------------------------------------------------------